酸洗

It also suggests some ways to improve the techniques of acid cleaning, bonderizing, annealing and deformation.

并提出了改进、磷化、退火及变形工艺的方法。

There is little study on the selection of liquid of pre - filming after the acid wash by hydroxy ethidine phosphonic acid (HEDP).

羟基乙叉二膦后预膜液的选择较少有人研究,而适当的预膜钝化是后金属表面返锈的必要施。

A combined acid cleaning technique of alkaline and acid cleaning with oxidizability was developed in the proress of trial-produrtion of armour-piercing shell body.

介绍穿甲弹体化性碱化性相结合的新工艺。

BlueStar cleaning technology uses BlueStar series of cleaning agent eliminate the dirt and cover on the object surface by the technique of degrease, derust and passivation.

蓝星化学清技术是利用蓝星系列清剂通过脱脂、除锈、钝化等工艺去除被清物体表面的污物或覆盖层。